THT: Notice of record date for EGM 2025

1. Issuer: Vinacomin - Ha Tu Coal JSC
2. Stock code: THT
3. Par value: VND10,000/share
4. Record date: 27/10/2025
5. Ex-date: 24/10/2025
6. Reason:
     * Extraordinary General Meeting 2025
          - Exercise rate: 01 share - 01 voting rights
          - Date: Expected on 28/11/2025
          - Place: Head office at Unit 6, Ha Tu 3 Quarter, Ha Tu Ward, Quang Ninh Province
          - Agenda:
          + Dismissal and additional election of a member to the Board of Directors;
           + Other issues under the authority of the General Meeting.